This 25-pack version of 3Com Firewall Fiber PCI Card with 100 LAN eliminates unnecessary packaging and extra installation CDs, to help lower installation costs in large-scale deployments.Each firewall card in this economical bulk-pack is identical to those sold individually - with the same features, specifications, and benefits. These PCI-bus cards for 100BASE-FX LANs work with 3Com Embedded Firewall Policy Server or Starter Policy Server (required and sold separately) to extend tamper-resistant firewall filtering and auditing capabilities across your enterprise - both inside and outside the network perimeter.